CE Certified Portable Turn Ratio Tester for precision transformer testing. High-grade ABS housing with shockproof design ensures durability in harsh lab environments. Advanced microprocessing technology delivers ±0.1% accuracy for reliable power transformer diagnostics. Compact 2.3kg unit features backlit LCD display with auto-calibration function. Ideal for field technicians performing ratio verification on single/three-phase transformers. Waterproof alloy probe tips provide secure connections during live circuit testing. Includes carrying case and multilingual operation manual for global compliance. Meets IEC 60076 standards for industrial electrical testing applications.